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Model UC3844AD8

Description UC18/UC28/UC38 Series, Texas Instruments isolated flyback power controller provides constant voltage (CV) and constant current (CC) output regulation to improve instantaneous response to larger load steps. Primary side regulation (PSR) does not require an optocoupler. ###Flyback controller, Texas Instruments current mode and voltage mode PWM controller, primary side regulation peak power mode low power

Brand: TI

Packaging SOIC-8

Delivery time

Packaging method Tube

Standard packaging quantity 1

5+:

$ 6.1506

25+:

$ 5.6950

50+:

$ 5.3761

100+:

$ 5.2394

500+:

$ 5.1483

2500+:

$ 5.0344

5000+:

$ 4.9888

10000+:

$ 4.9205

Price	$ 6.1506	$ 5.6950	$ 5.3761	$ 5.2394	$ 5.1483
Start batch production	5+	25+	50+	100+	500+

Freight charges： In stock Freight rate：$13.00

Quantity：

Inventory(7096) Minimum order quantity(5)

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Technical parameters/frequency: 500 kHz

Technical parameters/power supply voltage (DC): 12.0V (min)

Technical parameters/number of output interfaces: 1

Technical parameters/Input voltage (DC): 15.0V ~ 5.0V

Technical parameters/output voltage: 5 V

Technical parameters/output current: 1 A

Technical parameters/number of pins: 8

Technical parameters/input current: 11 mA

Technical parameters/dissipated power: 1 W

Technical parameters/Static current: 11.0 mA

Technical parameters/adjusted output number: 1

Technical parameters/rise time: 50 ns

Technical parameters/switching frequency: 450 kHz

Technical parameters/topology structure: Buck, Boost, Flyback, Forward

Technical parameters/duty cycle: 48 %

Technical parameters/output current (Max): 1 A

Technical parameters/maximum duty cycle: 50 %

Technical parameters/descent time: 50 ns

Technical parameters/operating temperature (Max): 70 ℃

Technical parameters/operating temperature (Min): 0 ℃

Technical parameters/dissipated power (Max): 1000 mW

Technical parameters/power supply voltage: 10V ~ 30V

Technical parameters/power supply voltage (Max): 25 V

Technical parameters/power supply voltage (Min): 12 V

Technical parameters/input voltage: 15 V

Encapsulation parameters/installation method: Surface Mount

Package parameters/number of pins: 8

Encapsulation parameters/Encapsulation: SOIC-8

External dimensions/length: 4.9 mm

External dimensions/width: 3.91 mm

External dimensions/height: 1.58 mm

External dimensions/packaging: SOIC-8

Physical parameters/operating temperature: 0℃ ~ 70℃

Other/Product Lifecycle: Active

Other/Packaging Methods: Tube

Other/Manufacturing Applications: Industrial, power management

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

Compliant with standards/REACH SVHC standards: No SVHC

Compliant with standard/REACH SVHC version: 2015/06/15

Customs information/ECCN code: EAR99

Alternative material

Model	Brand	Similarity	Encapsulation	Introduction	Data manual
UC1843AMDREP	TI	类似代替	SOIC-8	TEXAS INSTRUMENTS UC1843AMDREP 控制器, PWM, 25V-12V电源, 500 kHz, 13.5V/200mA输出, SOIC-8
UC2843D8	Unitrode	类似代替	SOP	UC18/UC28/UC38 系列，Texas Instruments 隔离式回扫电源控制器提供恒定电压 (CV) 和恒定电流 (CC) 输出调节，用于提高对较大负载阶跃的瞬时响应。初级侧调节 (PSR) 无需光耦合器。 ### 回扫控制器，Texas Instruments 电流模式和电压模式 PWM 控制器初级侧调节峰值功率模式低功率
UC3844AN	TI	完全替代	DIP-8	TEXAS INSTRUMENTS UC3844AN.. 脉宽调制(PWM)控制器
UC3844AN	ST Microelectronics	完全替代	DIP-8	TEXAS INSTRUMENTS UC3844AN.. 脉宽调制(PWM)控制器	PDF